Sip trunking

Hi need to connect my sip server (asterisk of course) to another sip server APPLICO could someone point me to the right path on how to start this project. Could I start with this???

type=peer
secret=*********
username=********
host=sip..com.cn
fromuser=
*****
canreinvite=no
nat=yes
disallow=all
allow=gsm
allow=ulaw
allow=ilbc
allow=g729

Thanks in advance.